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1N4746A-TR
Product Overview
The 1N4746A-TR is a Zener diode belonging to the semiconductor category. It is commonly used for voltage regulation and protection in electronic circuits. This diode exhibits stable and precise voltage characteristics, making it suitable for various applications. The 1N4746A-TR is typically available in a small, cylindrical glass package and is sold in quantities suitable for electronic component assembly.
Specifications
- Voltage: 18V
- Power Dissipation: 1W
- Zener Voltage Tolerance: ±5%
- Operating Temperature Range: -65°C to +200°C
Pin Configuration
The 1N4746A-TR features a standard axial lead configuration with two leads, one connected to the anode and the other to the cathode.
Functional Features
The primary function of the 1N4746A-TR is to maintain a constant voltage across its terminals, effectively regulating the voltage in a circuit. It achieves this by allowing current to flow in reverse when the voltage reaches the specified Zener voltage.
Advantages and Disadvantages
Advantages
- Precise voltage regulation
- Compact size
- Wide operating temperature range
Disadvantages
- Limited power dissipation capability
- Voltage tolerance may not be suitable for some precision applications
Working Principles
The 1N4746A-TR operates based on the Zener effect, which causes it to conduct in the reverse direction when the voltage across its terminals exceeds the Zener voltage. This characteristic allows it to regulate the voltage in a circuit, providing stability and protection against voltage spikes.
Application Field Plans
The 1N4746A-TR finds extensive use in various electronic circuits, including: - Voltage regulators - Overvoltage protection circuits - Power supplies - Signal clamping circuits
Alternative Models
For those seeking alternatives to the 1N4746A-TR, several options are available, including: - 1N4732A-TR (4.7V) - 1N4750A-TR (27V) - 1N4763A-TR (56V)
In conclusion, the 1N4746A-TR Zener diode offers precise voltage regulation and protection in a compact package, making it a valuable component in electronic circuit design.
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This content provides an overview of the 1N4746A-TR Zener diode, covering its basic information, specifications, functional features, advantages and disadvantages, working principles, application field plans, and alternative models. If you need further details or modifications, feel free to let me know!
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What is the 1N4746A-TR?
- The 1N4746A-TR is a 1W Zener diode with a voltage rating of 18V.
What are the typical applications of the 1N4746A-TR?
- It is commonly used in voltage regulation, voltage reference, and overvoltage protection circuits.
What is the maximum power dissipation of the 1N4746A-TR?
- The maximum power dissipation is 1W.
What is the operating temperature range of the 1N4746A-TR?
- The operating temperature range is typically -65°C to +200°C.
What is the forward voltage drop of the 1N4746A-TR?
- The forward voltage drop is around 1.2V at a forward current of 200mA.
What is the reverse leakage current of the 1N4746A-TR?
- The reverse leakage current is typically less than 5µA at the rated voltage.
Can the 1N4746A-TR be used for voltage regulation in power supplies?
- Yes, it can be used as a voltage regulator to maintain a constant output voltage.
How does the 1N4746A-TR provide overvoltage protection?
- When the input voltage exceeds the Zener voltage (18V), the diode conducts and limits the voltage across the circuit.
Is the 1N4746A-TR suitable for low-power applications?
- Yes, it is suitable for low-power applications due to its 1W power rating.
Are there any specific considerations for using the 1N4746A-TR in circuit designs?
- It's important to ensure that the maximum power dissipation and current ratings are not exceeded, and to consider the temperature effects on the Zener voltage.